27-03-2021
Chemistry

contestada

13. An atom has a mass number of 12 and an atomic number of 7. How many neutrons does it
contain?
A5
B. 7
C. 12
D. 19
[1 mark]

I want to know if I circled the right one

13 An atom has a mass number of 12 and an atomic number of 7 How many neutrons does it contain A5 B 7 C 12 D 19 1 mark I want to know if I circled the right one class=

Relax

Respuesta :

tayogaga tayogaga

27-03-2021

Answer:

5

Explanation:

mass number=no of protons +no of neutron

mass number-atomic number=no of neutron

12-7=5

Answer Link

Otras preguntas

Singing Fish Fine Foods has a current annual cash dividend policy of $2.502.50. The price of the stock is set to yield a return of 14 %14%. What is the price o

Cork Oak Corporation purchased a heavy-duty truck (not considered a passenger automobile for purposes of the listed property and luxury automobile limitations)

Will y’all help me on num 9!

what are two workout habits you are proud of?

The carbon cycle is critical to________ as it is part of _____

Which is the function of the fovea? It controls the amount of light entering the eye. It provides the greatest detail of an image when light hits it. It flips

Missouri River Supply Co. sells canoes, kayaks, whitewater rafts, and other boating supplies. During the taking of its physical inventory on December 31, 20Y2,

Which sentence uses the word logistical correctly? 1. The professor attempted to explain his logistical argument by listing supporting evidence on the whiteboar

If the jet is moving at a speed of 1300 km/h at the lowest point of the loop, determine the minimum radius of the circle so that the centripetal acceleration at

Caroline lives in City A and earns $50,000 per year. The cost of living index in City A is .8. She is considering a move to City B which has a cost of living in